Football Souvenirs

using System;

namespace FootballSouvenirs
{
    class Program
    {
        static void Main(string[] args)
        {
            string country = Console.ReadLine();
            string souvenir = Console.ReadLine();
            int volume = int.Parse(Console.ReadLine());
            string print = "";
            double sum = 0;
            if (country == "Argentina")
            {
                if (souvenir == "flags")
                {
                    sum = 3.25;
                }
                else if (souvenir == "caps")
                {
                    sum = 7.20;
                }
                else if (souvenir == "posters")
                {
                    sum = 5.10;
                }
                else if (souvenir == "stickers")
                {
                    sum = 1.25;
                }
                else
                {
                    print = "Invalid stock!";
                }
            }
            else if (country == "Brazil")
            {
                if (souvenir == "flags")
                {
                    sum = 4.20;
                }
                else if (souvenir == "caps")
                {
                    sum = 8.50;
                }
                else if (souvenir == "posters")
                {
                    sum = 5.35;
                }
                else if (souvenir == "stickers")
                {
                    sum = 1.20;
                }
                else
                {
                    print = "Invalid stock!";
                }
            }
            else if (country == "Croatia")
            {
                if (souvenir == "flags")
                {
                    sum = 2.75;
                }
                else if (souvenir == "caps")
                {
                    sum = 6.90;
                }
                else if (souvenir == "posters")
                {
                    sum = 4.95;
                }
                else if (souvenir == "stickers")
                {
                    sum = 1.10;
                }
                else
                {
                    print = "Invalid stock!";
                }
            }
            else if (country == "Denmark")
            {
                if (souvenir == "flags")
                {
                    sum = 3.10;
                }
                else if (souvenir == "caps")
                {
                    sum = 6.50;
                }
                else if (souvenir == "posters")
                {
                    sum = 4.80;
                }
                else if (souvenir == "stickers")
                {
                    sum = 0.90;
                }
                else
                {
                    print = "Invalid stock!";
                }
            }
            else
            {
                print = "Invalid country!";
            }

            if (sum > 0)
            {
                Console.WriteLine($"Pepi bought { volume} { souvenir} of { country} for { sum * volume:f2} lv.");
            }
            else
            {
                Console.WriteLine(print);
            }
        }
    }
}